Boeing's luxury offices in the sky

STORY HIGHLIGHTS

• The 747-8 Intercontinental is the latest, longest and about the most expensive corporate jet in the world
• The new "MAX" engine can offer fuel-savings of up to 16 percent over competitors, Boeing says
• Boeing is tight-lipped about who, exactly, is buying these "flying castles"

(CNNGo.com) -- Donald Trump seems to have hit hard times. The unfortunate fellow has been forced to buy a second-hand 757 from Microsoft co-founder Paul Allen for a paltry $100 million -- though he did then coat every metal surface in gold.

But had he been feeling really extravagant, he could have thrown the kids' inheritance at a Boeing Business Jet (BBJ) with a new MAX engine -- the latest technological jump from the company that recently unveiled the 747-8, their largest offering to-date and the longest commercial jet in the world.

Boeing Business Jets -- the division dedicated to pimping out their commercial airliners and selling them to embarrassingly rich people -- has taken this beast under its wing.

The 747-8 Intercontinental is the latest, longest and about the most expensive corporate jet in the world -- a shiny new, "green" (empty) 747-8 will set you back $300 million, but with a VIP fit-out the figure is closer to $500 million.

But what else is there out there for those with a few hundred million to splash?

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